In the 18th century, brown coal was still being mined, although yields were quite small.

Between 1920 and 1945 coal was mined with an underground method, which is still visible today.

Brown coal was mined in the town until the 1990s.

As in the other nearby towns, the coal was often mined directly under the town itself.

In the 18th century, coal and ironstone were being mined.

It is a former mining village- both coal and lead were mined here.

Since the middle of the 18th century, coal has been mined.

Black coal is mined in the surrounding area, giving the town its name.

Lead, tin and coal have been mined in the area.

Although first discovered in 1736, coal was not mined commercially for 60 years.